Improving solar cell efficiency with a bucket of water

Looking at your cell phone, you realize the battery is low, which means you have to make another long walk into town to pay money to charge the device. By the time you get home, it's getting dark. You light the kerosene lamp that casts a dim glow across the room. A significant amount of your income is burned by the lamp, and it emits noxious gases. Breathing the same air as your burning lamp can be equivalent to smoking several packs of cigarettes a day.

from Energy & Green Tech News - Energy Sciences News, Green Tech, Energy, Energy Science https://ift.tt/2XJUViD

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